env.setErrorMessageBoxEnabled(true)
local zone = trigger.misc.getZone("JUNK")
zone.point.y = land.getHeight({x = zone.point.x, y = zone.point.z})

local volS = {
    id = world.VolumeType.SPHERE,
    params = {
        point = zone.point,
        radius = zone.radius
      }
    }

world.removeJunk(volS)